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Old 08-31-2008, 04:56 PM   #586
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John,

When running the LRP Sphere TC Comp, 27t Brushed motor and a SMC 5000 30C Lipo what runtimes should I be expecting? I am running Foam on Carpet (pretty short track). Im asking because I have no idea and you will probably know.

I havent tuned the TC5 at all yet so its completely stock. Can you recommend anything I can do to make it any better?

Thanks, Jacob.
With the 27T motor and SMC5000, you should be getting over 15 minutes of run time.

As far as set up goes, go to http://www.teamassociated.com/racerh...setups_tc5.htm and go to the car set up section and look for carpet set up from team drivers.
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Old 08-31-2008, 05:38 PM   #587
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I agree that you should get over 15 minutes of runtime on a 27 turn. Here is the rubber tire setup that I am using for high grip asphalt. It should be similar to carpet as some traction rolls were possible while I developed it. I did add the heaviest traction bars front and back after the traction roll incidents. This fixed things up great and I run them all the time now.

http://www.rctech.net/forum/electric...ml#post3653557

go back through the thread to look for durability tips with respect to a locked front diff which you might consider some time in the future.
Beef up the plastic rear diff with Associated Aluminum parts.

Best mod I have tried when you run a locked front diff. Use the TIR parts. I have a huge number of hours on the front diff without an outdrive or related front end failure.


"I received my TiR parts from the retailer in Hong Kong. It took 11 days. Came USPS in a box with signature required. The parts have part numbers now. No invoice was included. I would prefer to get them from this retailer as I have had some problems direct. I look forward to a longer test of the delrin spool outdrives." get some spare Delrin (nylon) outdrives of course.

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Old 09-01-2008, 04:57 PM   #588
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Thank you for the help! I'll be sure to try out what you say. It is all stock now so I'll order those parts.

Also, I have the SMC 5000 LiPo and the weights for balancing. Can I just use the stock battery strap (here) and posts (here).

Here is a pic of the car without strap or posts but with the plate in:

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Old 09-01-2008, 06:11 PM   #589
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I checked the dimensions of an SMC 5000 mA-h. It should fit with the stock strap and posts. If you get the soft pack then you will probably need to run a couple of wraps of strapping tape connecting the battery to the strap only. I also like to run a .030 piece of right angled Lexan (left over from the bottom edge of a body. To protect the right side of the battery and the top right edge. I put this under the tape. Else use a hard sided pack.
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Old 09-02-2008, 05:21 AM   #590
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I have the Hardcase so it should be fine then. All my parts arrived today so I think I'll do the first race without changing anything and then I'll tune it after that. I only have 22 and 23 pinion gears from associated and the stock spur, will they be ok to run together?
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Old 09-02-2008, 09:59 AM   #591
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The kit shows it comes with an 87 tooth 48 pitch spur. Your pinions should mesh fine. Good luck. Keep an eye on motor temp. Above 180 F is too hot. Gear with a smaller pinion then.
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Old 09-02-2008, 10:19 AM   #592
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Thats great, thanks. Im going to pick up a temperature gauge soon to be sure I keep those temps down.
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Old 09-02-2008, 07:27 PM   #593
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Quote:
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Thats great, thanks. Im going to pick up a temperature gauge soon to be sure I keep those temps down.
What size track are you running??? If you only have those two pinions 23, 22 you may want to get some others. Your final drive may be way to low.

(87/22)*2=7.90 FDR
(87/23)*2=7.56 FDR
You may end up overheating anway. You may want to get you FDR down to 5.8 or 6.0 with a 27T.
Like I said it depends on how large the track is.
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Old 09-03-2008, 10:22 AM   #594
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http://wycomberacing.co.uk/

This is the track. Its quite short but technical.
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Old 09-15-2008, 03:01 PM   #595
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As stated before I would try 5.8 or 6.0 FDR, and check the temps of the motor after about five minutes just too see. 27T motors are only supposed to be run for five or six monutes at the most anyway, but with the inception of lipo and 4600, 4700mah nimh cells they are being pushed to try and keep up with brushless motors.
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Old 09-16-2008, 06:44 AM   #596
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Hi Guys I need a good setup for rubber tyres on carpet using brushless 10.5 any help will be cool
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Old 09-20-2008, 03:04 PM   #597
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Here is my setup for rubber tires on asphalt that I posted earlier in the thread. For high traction conditions I have added the thickest sway bar on front and back. This should work great on carpet.

I have been out of power for a week due to Hurricane Ike. More details on my CRC thread.


Look for a test of a 6 mil plotter cut bottom protector film from Rommels RC world coming soon . I have examined the product and it looks to be very nicely made with cutouts for all the screws and battery slots. You put it on like a large decal, after cleaning, by applying windex or a suitable product to wet the surface. This allows you to precisely align the holes. I know that some guys like to protect that like new appearance of their cars. Photos and test to come.

John

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Old 09-20-2008, 03:36 PM   #598
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Good to see your okay John. You were talking about the TIR parts for my diff, I found some CVD's by them on a British site, do you know if they are any good?
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Old 09-20-2008, 05:24 PM   #599
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Good to see you made it thru Ike down there.

Thanks for testing them and look forward to your testing reports and opinions.
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Old 09-20-2008, 06:52 PM   #600
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Thanks guys
Hide-Those Aluminum CVD look very nice. Here is where I would not use them. Outside with powerful motors, or on the front of a locked diff car with a powerful motor. That rules me out for wear reasons. Here is where they will help, with stock or superstock motors. You can try these on indoor tracks with good traction also in mod to give the car more zip. You have an almost frightening amount of zip available with a 3.5 already though.

I like the stock steel associated units on my track. They wear well. the little clips are useless. chunk em. If a setscrew gets loose the clips rotate and eject the pin through the slot which is just big enough. Use red locktite on the little set screws.
John
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